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When she is blowing you and squeezes your balls so hard they make a scrunching sound.
"Dude my girlfriend gave me a scrotum scruncher when she was blowing me last night."

"No wonder you've been limping and speaking in a high voice all day."
by Jacp123 March 30, 2016
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2
A person who squeezes/crunch's and/or blends there nut sack or a sleeping person's Nutt Sack
That Mother Fucking Scrotum Scruncher Blended My Nutts Last Night, FUCK!
by xxxYomomma69xxx July 23, 2009
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